SHANDONG TONGJIA MACHINERY CO.,LTD.locates in National High-Tech Industrial Development Zone of Jining City,which is the hometown of Confucius and Mencius,Shandong Province.It was founded in 1953 and has 628 workers now. The factory area is 180000 square meter.The company can produce 2000 sets of plastic machinery and 10000T plastic products every year.SHANDONG TONGJIA MACHINERY CO.,LTD.is the vice-chairman of China Plastic Machinery Industry Association,the Direction of China Light Industry ...